86a2c5a65a40da979b3495ebffcf602ee5bcc331ab49b87d79049cec395badd9

General

Target

86a2c5a65a40da979b3495ebffcf602ee5bcc331ab49b87d79049cec395badd9.xlsm
Size

90KB
MD5

fc64deec8dc027bff39f7291073450fd
SHA1

cc2cd037eff7535eaf6a9ff02651fe33a99685ea
SHA256

86a2c5a65a40da979b3495ebffcf602ee5bcc331ab49b87d79049cec395badd9
SHA512

72adab12e4216f46658fbff13a6ebabca615c66df406f95ee7d2db55fee1f6b6a29a2a19fd1d9a7fb83a3cfdbf35bc939fd36778e9303c304ae5f303e1a1181d
SSDEEP

1536:vQBrnXpnyV+ns1BVi/IEh2hx0Lx3bKhllGGx0vKCEjdQjqEk+xXPd:GDpyVEoBo6hKb4llGsQjbxfd

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/zbBYgukXYxzAF2hZc/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1876	2340	regsvr32.exe	EXCEL.EXE

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2340 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2340 EXCEL.EXE
2340 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE
2340	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2340 wrote to memory of 1876	2340	EXCEL.EXE	regsvr32.exe
PID 2340 wrote to memory of 1876	2340	EXCEL.EXE	regsvr32.exe
PID 2340 wrote to memory of 1876	2340	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\86a2c5a65a40da979b3495ebffcf602ee5bcc331ab49b87d79049cec395badd9.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\xxw1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
552a74bf587ba85d613af1010edb5095

SHA1
4ea73c304c74a063bc5a5d3ff5cc17d163464026

SHA256
2b27aadb0612dc721e98262704e069a4012e67dc32f5dc2fceefbb760572f76f

SHA512
ab5cae19ea7773e49442dc0cfbf76e6a24f2993f4589a79d0038de1997ddc2bd2f268c87be7a12e5f4faa2f4e10d24bedfc9cb32f7d693360b03b8da616ff31c

Download Submit
C:\Users\Admin\xxw1.ocx

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/2340-5-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-11-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-4-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-0-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

Filesize
64KB

Download
memory/2340-6-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

Filesize
64KB

Download
memory/2340-7-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-8-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-9-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

Filesize
64KB

Download
memory/2340-10-0x00007FFD11390000-0x00007FFD113A0000-memory.dmp

Filesize
64KB

Download
memory/2340-2-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

Filesize
64KB

Download
memory/2340-14-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-13-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-12-0x00007FFD11390000-0x00007FFD113A0000-memory.dmp

Filesize
64KB

Download
memory/2340-3-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

Filesize
64KB

Download
memory/2340-36-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-37-0x00007FFD5340D000-0x00007FFD5340E000-memory.dmp

Filesize
4KB

Download
memory/2340-38-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-39-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

Filesize
2.0MB

Download
memory/2340-1-0x00007FFD5340D000-0x00007FFD5340E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads